Olight S10-L2 400 Lumen Bright EDC Mini Keychain LED Flashlight with 2x Lumentac CR123A Batteries Latest Olight S10 upgrade: 400 Lumens with CREE XM-L2 LED Ultra Compact: 2.7 inches (71 mm) Long Three light output level plus strobe mode with mode memorization. Two-direction invertible pocket clip; Magnetic endcap Include 2x LumenTac CR123A Batteries